Casandra’s family drove 275 miles at 55 miles per hour. How many hours was their trip?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

Which is the graph of the following inequality?

Circle a is intersected by lm and mo 60° 155 what is the measure of lmo enter your answer as a decimal in the box. mlmo =